Persia copper carved veins handguard shield in 19 century: the diameter 27cm, height 6cm, a copper bolt is installed afterward.
19世纪波斯铜錾花护手盾：直径27厘米，高6厘米，一个铜螺栓(后配)。
First confirmation of welding cable clamp and copper ears have reliable connectivity, will bolt copper ears, and welder polarity "-" reliable output link.
先确认电缆与焊钳和铜线耳已可靠连接，用螺栓将铜线耳和焊机极性为“-”的输出端可靠地连接在一起。
First confirmation of welding cable clamp and copper ears have reliable connectivity, will bolt copper ears, and welder polarity "-" reliable output link.
先确认电缆与焊钳和铜线耳已可靠连接，用螺栓将铜线耳和焊机极性为“-”的输出端可靠地连接在一起。
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